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Compare · GLW vs NSSC

GLW vs NSSC

Side-by-side comparison of Corning Incorporated (GLW) and NAPCO Security Technologies Inc. (NSSC): market cap, price performance, sector, and recent activity on the wire.

Summary

  • GLW operates in Industrials, while NSSC operates in Telecommunications - the two are in different parts of the market.
  • GLW is the larger of the two at $150.90B, about 92.2x NSSC ($1.64B).
  • Over the past year, GLW is up 299.5% and NSSC is up 101.7% - GLW leads by 197.8 points.
  • GLW has hit the wire 14 times in the past 4 weeks while NSSC has been quiet.
  • Both have 25 recent analyst ratings on file.
PerformanceGLW+299.50%NSSC+101.71%
2025-04-28+0.00%2026-04-24
MetricGLWNSSC
Company
Corning Incorporated
NAPCO Security Technologies Inc.
Price
$175.90+3.79%
$45.95+2.32%
Market cap
$150.90B
$1.64B
1M return
+20.17%
+10.72%
1Y return
+299.50%
+101.71%
Industry
Telecommunications Equipment
Telecommunications Equipment
Exchange
NYSE
NASDAQ
IPO
News (4w)
14
0
Recent ratings
25
25
GLW

Corning Incorporated

Corning Incorporated engages in display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses worldwide. The company's Display Technologies segment offers glass substrates for liquid crystal displays and organic light-emitting diodes used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and cables; and hardware and equipment products, including cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for various carrier network applications. This segment also offers operator-grade distributed antenna systems; optical network evolution wireless platform; subscriber demarcation, connection and protection devices, various digital subscriber line passive solutions, and outside plant enclosures; and coaxial RF interconnects for the cable television industry and microwave applications. The company's Environmental Technologies segment offers ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications. Its Specialty Materials segment manufactures products that provide material formulations for glass, glass ceramics, and fluoride crystals. The company's Life Sciences segment offers laboratory products comprising consumables, such as plastic vessels, specialty surfaces, cell culture media, and serum, as well as general labware and equipment under the Corning, Falcon, Pyrex, and Axygen brands. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

NSSC

NAPCO Security Technologies Inc.

Napco Security Technologies, Inc. develops, manufactures, and sells electronic security products in the United States and internationally. The company offers access control systems, door-locking products, intrusion and fire alarm systems, and video surveillance systems for commercial, residential, institutional, industrial, and governmental applications. Its access control systems include various types of identification readers, control panels, PC-based computers, and electronically activated door-locking devices; and door locking devices comprise microprocessor-based electronic door locks with push button, card readers and bio-metric operation, door alarms, mechanical door locks, and simple dead bolt locks. The company's alarm systems include automatic communicators, cellular communication devices, control panels, combination control panels/digital communicators and digital keypad systems, fire alarm control panels, and area detectors; and video surveillance systems comprise video cameras, control panels, video monitors, or PCs. It also buys and resells various identification readers, video cameras, PC-based computers, and peripheral equipment for access control and video surveillance systems; offers school security products; and markets peripheral and related equipment manufactured by other companies. The company markets and sells its products primarily to independent distributors, dealers, and installers of security equipment. Napco Security Technologies, Inc. was founded in 1969 and is headquartered in Amityville, New York.

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